Felt earthquake 3 km north-east of Húsavík town last night

Yesterday (17-October-2020) at 22:02 UTC an earthquake with magnitude of Mw3,3 took place 3 km north-east of Húsavík town in the Flatey – Húsavík fault. This was followed by few minor earthquakes. This earthquake was felt in Húsavík but no damage was reported from it.

The earthquake activity close to Húsavík. Copyright of this image belongs to Icelandic Met Office.

This area of the Flatey – Húsavík fault has not seen any earthquake activity until now, even if there has been a strong earthquake swarm going on in nearby areas since June 2020 . There continues to be a risk of stronger earthquakes in Tjörnes Fracture Zone.

Strong earthquake activity in Flatey – Húsavík fault on Tjörnes Fracture Zone

Early morning today (6-October-2020) an large earthquake swarm took place in Flatey – Húsavík fault in Tjörnes Fracture Zone. Total of seven earthquakes with magnitude above Mw3,0 took place during the earthquake swarm this morning. Largest earthquake had a magnitude of Mw4,1 other magnitudes where smaller. Around 300 earthquakes took place during this earthquake swarm.

The earthquake activity on Tjörnes Fracture Zone. Copyright of this image belongs to Icelandic Met Office.

The largest earthquakes where felt and no damage was reported from this earthquake swarm. This earthquake swarm might be ongoing at the writing of this article. There is continued high risk of a earthquake with magnitude Mw6,0 to Mw7,0 in this area and on larger area in Tjörnes Fracture Zone because how complex the faults are in this area.


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